Description:Astrophytum myriostigma cv. Fire Works, in Japanese speaking "Hanabi Fukuryu Hekiran", is a fascinanting cultivars with a very wrinkled appearance, almost "crumpled" and recalling the shape of an Aztekium ritteri. It looks something like an extreme form of Astrophytum myriostigma cv. Fukuryu (type B) nudum but with lovely designs radiating from each areole recalling of a firework scene, hence the name. This fascinating Rampowgyoku (A. myriostigma) has been created by Mr. Kawamura in Japan who first called it Firework.

Subspecies, varieties, forms and cultivars of plants belonging to the Astrophytum myriostigma group

Astrophytum myriostigmaLem.: It is a spineless solitary plant covered with many white dots. A transverse section of the stem reveal a perfect 5 pointed star shaped form (like the common star-fish) giving the plant the appearance of a bishop's mitre (hence the common name Bishop's cap)

Astrophytum myriostigma f. proliferumhort.: has an abnormal tendency to branch forming small side pups from the areole. In cultivation there are several clones some of them branching like mad, while other almost normal.